Re: WARNING: at drivers/pci/pci.c:1397 pci_disable_device

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On 02/19/2013 07:53 PM, Bjorn Helgaas wrote:
> On Tue, Feb 19, 2013 at 11:34 AM, Jiri Slaby <jslaby@xxxxxxx> wrote:
>> Hi,
>>
>> so I hit that one:
>> +       dev_WARN_ONCE(&dev->dev, atomic_read(&dev->enable_cnt) <= 0,
>> +                     "disabling already-disabled device");
>>
>> during suspend (to ram):
>> WARNING: at drivers/pci/pci.c:1397 pci_disable_device+0x90/0xa0()
>> Hardware name: To Be Filled By O.E.M.
>> Device e1000e
>> disabling already-disabled device
>> Modules linked in: dvb_usb_dib0700 dib0090 dib7000p dib7000m dib0070
>> dib8000 dib3000mc dibx000_common microcode
>> Pid: 31027, comm: kworker/u:35 Not tainted 3.8.0-rc7-next-20130218_64+ #1768
>> Call Trace:
>>  [<ffffffff81313b00>] ? do_pci_disable_device+0x30/0x60
>>  [<ffffffff8107f2ff>] warn_slowpath_common+0x7f/0xc0
>>  [<ffffffff8107f3f6>] warn_slowpath_fmt+0x46/0x50
>>  [<ffffffff81313bc0>] pci_disable_device+0x90/0xa0
>>  [<ffffffff814c8152>] __e1000_shutdown+0x262/0x8b0
>>  [<ffffffff814c8813>] e1000_suspend+0x23/0x50
>>  [<ffffffff816be581>] ? wait_for_completion+0x31/0x100
>>  [<ffffffff81316337>] pci_pm_suspend+0x77/0x140
>>  [<ffffffff8144aa6a>] ? __pm_runtime_barrier+0x1a/0x130
>>  [<ffffffff813162c0>] ? pci_pm_poweroff+0xf0/0xf0
>>  [<ffffffff81447838>] dpm_run_callback+0x58/0x90
>>  [<ffffffff8144795b>] __device_suspend+0xeb/0x280
>>  [<ffffffff814482af>] async_suspend+0x1f/0xa0
>>  [<ffffffff810a9c9b>] async_run_entry_fn+0x3b/0x140
>>  [<ffffffff8109b9a4>] process_one_work+0x174/0x410
>>  [<ffffffff8109d426>] worker_thread+0x116/0x400
>>  [<ffffffff8109d310>] ? busy_worker_rebind_fn+0xc0/0xc0
>>  [<ffffffff810a3340>] kthread+0xc0/0xd0
>>  [<ffffffff810a3280>] ? kthread_create_on_node+0x130/0x130
>>  [<ffffffff816c089c>] ret_from_fork+0x7c/0xb0
>>  [<ffffffff810a3280>] ? kthread_create_on_node+0x130/0x130
>> ---[ end trace 6c5060f8b8fb9175 ]---
>> e1000e 0000:00:19.0: System wakeup enabled by ACPI
> 
> I think Konstantin posted an e1000e patch that would fix this, but
> it's going via the e1000e folks.  Hopefully both my tree and the
> e1000e patch will be merged soon.

I'm using -next anyway, so is there any chance it is fixed there some
time soon?

thanks,
-- 
js
suse labs
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